| 摘要 |
A new self-locking guitar frame comprises a spring (1), a movable cover (2), a fixation fork (3), a cylindrical pin (4), and block arms (5). The spring (1) is assembled in the hole between the fixation fork (3) and the movable cover (2). The movable cover (2) and the fixation fork (3) are assembled together by the cylindrical pin (4). The fixation fork (3) is rotatable around the cylindrical pin (4) as a center. The block arms (5) are assembled on the ends of the fixation fork (3). Teeth on the block arms (5) engage with those on the front section of the movable cover (2).
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